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Scaled Drawings

This resource provides step-by-step instructions for making simple scale drawings using a compass. It covers topics such as measuring scales, drawing accurate scaled drawings, and working with compass points. Created by Mr. Lafferty, Maths Dept.

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Scaled Drawings

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  1. Scaled Drawings Making Simple Scale Drawings Compass Points & Scale Drawings Construct a Scale Drawing (using a compass) www.mathsrevision.com Exam Type Questions Created by Mr. Lafferty Maths Dept.

  2. Starter Questions www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

  3. Scaled Drawings Learning Intention Success Criteria 1. From information given make a scaled drawing. • 1. We are learning to draw a simple scale drawing given suitable information. www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

  4. Scaled Drawings Problem A garden is rectangular in shape and has length 12m and breadth 8m. Make rough sketch of the garden. 12m Draw an accurate scaled drawing of the garden Use a scale of 1cm represents 2m www.mathsrevision.com 8m Created by Mr. Lafferty Maths Dept.

  5. Scaled Drawings Use a scale of 1cm represents 2m 1cm represents 2m 12m 12m 8m www.mathsrevision.com 8m Created by Mr. Lafferty Maths Dept.

  6. Scaled Drawings Problem A road junction is triangular in shape. A rough sketch is given below. Draw an accurate scaled drawing of the junction Use a scale of 1cm represents 2m www.mathsrevision.com 20m 12m Created by Mr. Lafferty Maths Dept.

  7. Scaled Drawings Use a scale of 1cm represents 2m 1cm represents 2m Find the real life length of the 3rd side 20m 20m www.mathsrevision.com 12m 23.2m 2 x 11.6 = 12m Created by Mr. Lafferty Maths Dept.

  8. Scale Drawings Now Try TJ N4 Lifeskills Exercise 1 Ch22 (page 176) www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

  9. Starter Questions www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

  10. Directions & Scale Drawings Learning Intention Success Criteria 1. Be able to make sense of a map. • We are learning to work with directions. • Write down accurate directions from a map. www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

  11. 360/000o N Half way between North and West Half way between North and East NW NE 270o 090o W E SW SE Half way between South and West Half way between South and East S 180o Compass Points Created by Mr. Lafferty Maths Dept.

  12. If Gary walks to John then to Barry and then back to where he started. Write down all the directions he took. If Anne walks to Julie then to Amy and then back to where she started. Write down all the directions she took. If Daniel is facing North and turns clockwise to face Anne. How many degrees is this. If Daniel is facing Frances and turns clockwise to face Amy. How many degrees is this. If Amy is facing Paul and turns anti-clockwise to face Daniel. How many degrees is this. Who is North of Daniel Who is East of John Who is South West of Barry Who is North East of Gary Compass Points Frances John Barry N Daniel Julie Anne www.mathsrevision.com Amy Gary Paul Created by Mr. Lafferty Maths Dept.

  13. I leave the zoo to go back to my car which is in the town car park. Write down the directions I should take. After going to the park I want to go to the cinema. Tea Lane is closed. Write down the directions I should take. There’s a fire at the library. Right down the directions the fire engine should take. I come out of the swimming pool and turn right then left. I go into the building second on my the right. Name the building. I come out of the charity shop and need to catch a bus. Write down the directions to the bus station. I come out of school and go to the Park. Write down the directions I must take. Map Directions N www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

  14. Scale factors Now Try TJ N4 Lifeskills Exercise 2 Ch22 (page 178) www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

  15. Directions & Scale Drawings Learning Intention Success Criteria • We are learning to construct a scale drawing using bearings. • 1. Be able to construct and interpret an accurate scale drawing. www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

  16. Scaled Drawings using Bearings Make an accurate scale drawing of this sketch. N N 50o www.mathsrevision.com 50o 15km 15km 1cm represents 3km 1cm represents 3km Created by Mr. Lafferty Maths Dept.

  17. 8.5 x 2 = 17km How far is the plane from the airport ? Scaled Drawings using Bearings Make an accurate drawing of the plane journey N N N N 120o 120o www.mathsrevision.com 45o 12km 045o 8km 12km 8km 1cm represents 2km 1cm represents 2km Created by Mr. Lafferty Maths Dept.

  18. 10.2 x 2 = 20.4km Two boats set off from the same harbour H. Boat A goes in South East for 9km. Boat B goes on a bearing of 240o for 16km. How far apart are they ? N N South East H 135o www.mathsrevision.com 200o 9km 9km 200o 16km 16km A A B B 1cm represents 2km 1cm represents 2km Created by Mr. Lafferty Maths Dept.

  19. Have you updated your Learning Log ? Scale factors Now Try TJ N4 Lifeskills Exercise 3 Ch22 (page 179) www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

  20. DIAGRAM HAS BEEN RE-SIZED 1 KU 2 KU 3 RE

  21. Turn to next slide for part (b)

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